Subversion Repositories openrisc_2011-10-31

/* Test that tablejump insns are correctly handled.  If the compiler

   loses track of the jump targets, it will report that x and y can be

   used uninitialized.

   This is broken in egcs 1998/10/06 for mips in pic mode.  */

/* { dg-do assemble } */

/* For MIPS at least, pic is needed to trigger the problem. */

/* { dg-options "-w -Wuninitialized -Werror -fpic" } */

/* { dg-options "-w -Wuninitialized -Werror" { target { { rs6000-*-aix* powerpc*-*-aix* arm*-*-* fr30-*-* sh-*-hms h8300*-*-* cris-*-elf* mmix-*-* } || { ! fpic } } } } */

int foo (int a, int b)

{

  __label__ z;

  int x; /* { dg-bogus "warning: `.' might be used uninitialized in this function" } */

  int y; /* { dg-bogus "warning: `.' might be used uninitialized in this function" } */

  static void *p;

  switch (a) {

  case 2:

    x = 4;

    break;

  case 4:

    x = 6;

    break;

  case 8: case 10: case 13: case 11: case 17: case 19:

    x = 7;

    break;

  default:

    x = -1;

    break;

  }

  switch (b) {

  case 2:

    y = 4;

    break;

  case 4:

    y = 6;

    break;

  case 8: case 10: case 13: case 11: case 17: case 19:

    y = 7;

    break;

  default:

    y = -1;

    break;

  }

 z:

  p = &&z;

  return x * y;

}

int main (int argc, char *argv[])

{

  return 1 == foo (argc, argc + 1);

}